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PR 57167 [Edward Lu <Chaosed0 gmail.com>]

Submitted By: Edward Lu <Chaosed0 gmail.com>
Committed By: covener


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determine whether it is a normal close or a real error. PR 57168.

Abort the client or backend connection on polling errors, but don't forcibly
abort the client side at the end (the core filters will do that otherwise
when necessary), so that lingering close and SSL shutdown can occur on normal
close.


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further processing (lingering close, SSL shutdown).


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            less intrusive.

Submitted by: Yingqi Lu <yingqi.lu@intel.com>
Modified/Committed by: ylavic

Add ListenCoresBucketsRatio which is a configurable ratio between the number of
CPU cores (online) and the number of listeners buckets to create, defaulting to
zero (so that listeners buckets become an opt-in, ie. ncpus / ratio > 1).
This could also be made an opt-out by using the previous hardcoded value (8) as
default.

Make ap_close_listeners() act on all the listeners (including duplicated ones),
since the function is also called externally (eg. mod_cgid, mod_ssl_ct and
possibly any third party module) to cleanup opened descriptors when a process
is forked (the duplicated listeners are kept in a scoped/static variable).

Add ap_close_listeners_ex() to close a single bucket of listeners, used by the
children to close unused duplicates and internally by ap_close_listeners().

Make ap_duplicate_listeners() compute the number of buckets to be used, instead
of each MPM. This number is now based on the above ratio and will not change
unless asked to (given *num_buckets < 1, that is when the MPM does not run in
one-process mode nor after a graceful restart).

Remove some global variables (mpm_listen, enable_default_listeners) previously
used to communicate between MPMs and ap_listen, since ap_duplicate_listeners()
API can now be used to do so.
Also rename num_buckets as ap_num_listen_buckets, and prefix have_so_reuseport
with ap_ (both printed by ap_log_common(), hence kept global).
Detect ap_have_so_reuseport once only at startup.

Restore dummy_connection() as before r1599531 since sending POD signals should
not depend on the number of listeners buckets (there is still one single socket
receiving the connections).

For each MPM (concerned), move the bucket data (pod, listeners and eventually
accept mutex) into a struct and instanciate an array of them (sized by the
number of buckets), for each child to use its own data according to its bucket
index, and the parent to maintain the whole.


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* when a different cache mechanism is used...
* testing that your server sends an OCSP response


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Global or not, its use is specialized and those that need it won't need a sample,
and others may be confused.


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work correctly. PR 57092

Submitted By: Edward Lu 
Committed By: covener



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  is established via a proxy server.

PR: 57139
Submitted by: Szabolcs Gyurko <szabolcs gyurko.org>


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SSLSessionCache are used and SSL session is resumed. SSL_CLIENT_VERIFY value
has been set to SUCCESS on resumption even when originally it was set to
GENEROUS. PR 53193.


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            immediatly.


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- define default for maximum line length
  indepenent of MAX_STRING_LEN
- Clarify line length check with a comment
- add supported 'b' suffix to directive
  description


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